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(A) bohr model can not be extended to tw...

(A) bohr model can not be extended to two or more electron atoms.
(R) each electron in the atom interacts not only with the positively charged nucleus but also with all other electrons.

A

if both assertion and reason are true and reason is the correct explanation of assertion.

B

if both assertion and reason are true but reason is not the correct explanation of assertion.

C

if assertion is true but reason is false.

D

if both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A
bohr model is applicable to hydrogenic atoms. It cannot be extended even to mere two electron atom such as helium. The analysis of atoms with more than one electron was attempted on the lines of bohr's model for hydrogenic atoms but did not meet with any succes. difficulty lies in the a fact that each electron interacts not only with the positviely charged nucleus but also with all other electrons.
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